In order to pursue such a case, you will need a lawyer, so you should consult a lawyer now. If you just want to get the records, you should write a letter to the jail and include a health authorization form which directs and authorizes them to give you the records. There will likely be a fee for copying the records. You should send the letter via certified mail. If you are still unable to get the records, you should consult a lawyer who can provide further guidance or utilize the courts and a subpoena to get the records.
You should probably find a lawyer that handles claims for civil rights violations and ask him to obtain the records. There is likely to be a copy fee for them.
Sign up to receive a 3-part series of useful information and advice about personal injury law.